Inspector Chapter 13 Flashcards

1
Q

When fires occur, the most effective way to protect occupants is to _____

A

Extinguish the fire in its incipient stage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

For a special-agent extinguishing system to be considered successful, it must:

A

Completely extinguish the fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A _____-_____ extinguishing system is used wherever rapid fire extinguishment is required an where reignition of the burning material is unlikely

A

Dry-Chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The Two application methods for dry-chemical extinguishing systems are:

A

Fixed System and Handheld Hoseline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which type of Dry-Chemical Systems fixed systems is most common?

A

Local Application

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

_____-_____ agents are used in situations where water would be ineffective or reactive with the burning materials

A

Dry-Chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Dry-Chemical Extinguishing Agent: Also known as ordinary dry chemical and is effective on Class B and Class C fires.

A

Sodium Bicarbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Dry-Chemical Extinguishing Agent: What agent is twice as effective as carbon dioxide for Class B Fires?

A

Sodium Bicarbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Dry-Chemical Extinguishing Agent: Also known as purple-k, has properties and applications similar to Sodium Bicarbonate

A

Potassium Bicarbonate.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Dry-Chemical Extinguishing Agent: This agent can extinguish a fire twice the size of Sodium Bicarbonate

A

Potassium Bicarbonate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Dry-Chemical Extinguishing Agent: Also known as multipurpose dry-chem (pale yellow in color), and is effective on class A, B, And C Fires.

A

Monoammonium Phosphate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Inert gas that is compressed and used to force extinguishing agents from a portable fire extinguisher; nitrogen is a commonly used one.

A

Expellant Gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Dry-Chem Extinguisher Storage Container range from:
Some hold as much as:

A

30-100 pounds.
2,000 poounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Dry-Chem Extinguishers must be located in an area that maintains of temperature range of:

A

-40F - 120F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Extinguishing agents for combustible metals, also known as _____ _____, are designed to extinguish Class D fires.

A

Dry Powders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Dry Powder: Sodium Carbonate-based agent with additives to enhance its flow; Designed specifically for use on sodium, potassium, and sodium-potassium alloy fires.

A

NA-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Dry Powder: Not suitable for use on magnesium fires

A

NA-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Dry Powder: The agent forms an encasing crust or cake on the burning material, which causes and oxygen deficiency

A

NA-X, MET-L-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Dry Powder: Listed under UL for use on burning materials at fuel temperatures up to:

A

1,400F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Dry Powder: Sodium Chloride based agent intended for use on magnesium, sodium, and potassium fires.

A

MET-L-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Dry Powder: Applied initially to control the fire, then more slowly to bury the fuel in a layer of the powder

A

MET-L-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Dry Powder: Graphite-based agent that extinguishes fires by conducting heat away from the fuel after a layer of the powder has been applied to the fuel.

A

LITH-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

A _____-_____ system is most effective on fires in commercial cooking equipment that produce grease-laden vapors.

A

Wet-Chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

_____ agents are in a general category of fire extinguishing agents that effectively leave no residue.

A

Clean Agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

_____ agents are effective on Class A, B, and C fires and will not conduct electricity.

A

Clean Agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

One of the first groups of clean agents developed. Effective on Class B and C Fires

A

Halon Agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Halon _____ is most commonly found in portable fire extinguishers.

A

1211

28
Q

Halon _____ is most commonly found in fixed total flooding systems.

A

1301

29
Q

Halocarbon agent that becomes a rapidly evaporating liquid when discharged

A

Halotron

30
Q

Halocarbon agent that leaves no residue and is not harmful to humans or the environment

A

FM-200

31
Q

Blend of three naturally occurring gases: nitrogen, argon, and carbon dioxide.

A

Inergen

32
Q

Hydrofluorocarbon-based agent that is nonconductive, noncorrosive, residue free, and has zero ozone-depletion potential, and is environmentally preferred to halon.

A

ECARO-25

33
Q

Develped by DuPont to replace both Halon 1301 and 1211. Consists of hydrofluorocarbon HFC-236fa

A

FE-36

34
Q

CO2 is extremely cold, approaching:

A

-110F

35
Q

Total flooding systems are designed to deliver at least _____ concentration of CO2

A

CO2

36
Q

In a high pressure CO2 system, Co2 is stored at a pressure of:

A

850 PSI

37
Q

Foam System: Complete installation that is piped from a central foam station; automatically discharges foam through fixed delivery outlets to the protected hazrd.

A

Fixed

38
Q

Foam System: Foam discharge piping is in place but not attached to a permanent source of foam; requires a separate mobile foam-solution source

A

Semifixed

39
Q

Foam system: A wheel-mounted, foam fire extinguishing system

A

Mobile

40
Q

Foam System: Hand-transported foam-producing equipment, such as hose, nozzle, proportioner, and other materials

A

Portable

41
Q

Mixing of water with an appropriate amount of foam concentrate

A

Proportioning

42
Q

Finish foam is ____ to ____ water

A

94-99 1/2 percent

43
Q

Foam designed for hydrocarbon fires are used at what percent?

A

1-6%

44
Q

Polar solvent fuels require what percent foam?

A

3-6%

45
Q

Medium and high-expansion foams are typically used at what percents?

A

1, 1 1/2, 2, 3%

46
Q

Foam Expansion Rates: Low

A

7:1 - 20:1

47
Q

Foam Expansion rates: Medium

A

20:1 - 200:1

48
Q

Foam Expansion Rates: High

A

200:1 - 1,000:1

49
Q

Extinguishers weighing less than 40 pounds should be installed so that the top of the extinguisher is not more than _____ above the floor.

A

5 Feet

50
Q

Extinguishers with a gross weight greater than 40 pounds should be installed so that the top of the extinguisher is not more than _____ aove the floor.

A

3 1/2 feet

51
Q

Clearance between the bottom of the extinguisher and the floor should never be less than _____

A

4 inches

52
Q

Water-based extinguishers are tested in laboratories in temperatures between _____

A

40-120F

53
Q

Non Water-Based extinguishers can be installed where the temperature is as low as:

A

-40F

54
Q

Specialized extinguishers are available for temperatures as low as:

A

-65F

55
Q

Dry-chem agent storage containers that are less than 150 pounds should be hydrostatically tested every _____

A

12 years

56
Q

For Clean-agent systems, inspection by qualified personnel is required:

A

Annually

57
Q

Clean-Agent storage containers must be hydrostatically tested every _____

A

5 years.

58
Q

Hoses used for local application of Clean-Agents should be pressure tested:

A

Every Year

59
Q

_____-hazard occupancy - One in which the amount of ordinary combustible material or flammable liquids present in such that an incipient fire of small size may be expected.

A

Light-Hazard

60
Q

_____-hazard occupancy - One in which the amount of ordinary combustibles and flammable liquids present would likely result in an incipient fire of moderate size.

A

Ordinary-Hazard Occupancy

61
Q

_____-Hazard occupancy

A

One in which the amount of ordinary combustible materials and flammable liquids present are high and a rapidly spreading fire may develop.

62
Q

Class A Hazards maximum travel distance for extinguisher location is

A

75 Feet

63
Q

Travel distance to the hazard is the most important factor in determining the distribution of class _ extinguishers.

A

Class B

64
Q

Flammable liquids are said to have depth at:

A

1/4 of an inch

65
Q

NFPA recommends the travel distance for class D extinguishers not exceed

A

75 Feet

66
Q

In areas where Class K fires are likely, the maximum travel distance from the hazard to the extinguisher is reduced to:

A

30 Feet

67
Q

NFPA 10 reocmmends _____ extinguisher inspections.

A

Monthly